Christina Mara Aguilera (born December 18; 1980) is an American pop singer and songwriter. She was signed to RCA Records after recording -Reflection- for the film Mulan. She came to prominence following her debut album Christina Aguilera (1999); which was a commercial success. A Latin pop album; Mi Reflejo; and several collaborations followed which garnered Aguilera worldwide success; but she was displeased with the lack of input in her music and image.Aguilera-s third studio album Back to Basics (2006) included elements of soul; jazz; and blues music; and was released to positive critical reception. Aside from being known for her vocal ability and ever-changing image; musically; she includes themes of dealing with public scrutiny. "Fighter" is the third single written by Christina Aguilera and Scott Storch for Aguilera's second album Stripped. Released in 2003, the single peaked at number twenty on the Billboard Hot 100, where it became Aguilera's ninth U.S. top-twenty single. "Fighter" also reached number three in the United Kingdom and Canada, and number five in Australia.Christina Mara Aguilera (born December 18; 1980) is an American pop singer and.